Evaluation of zirconia and titanium implants in the anterior mandibula: a randomized controlled clinical trial

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00039113

Enrollment

Registered

2026-03-30

Start date

2019-06-01

Completion date

Unknown

Last updated

2026-04-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

dental impants

Interventions

Group 1: In this one-year prospective split-mouth study, 20 patients with an edentulous lower jaw were treated with two zirconia and two titanium implants. Clip attachments were used for the removable

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: Lower jaw no teeth

Exclusion criteria

Exclusion criteria: Smoking habbit

Design outcomes

Primary

Measure	Time frame
During the follow-up period, fluid samples were taken from around each patient’s implants and natural teeth to analyze the microbiota using DNA isolation, amplicon sequencing, and downstream analysis.	—

Secondary

Measure	Time frame
During the follow-up period, fluid samples were taken from around each patient’s implants and natural teeth to analyze the microbiota using DNA isolation, amplicon sequencing, and downstream analysis.	—

Countries

Germany

Contacts

Public ContactProf. Frank Hölzle

Rwth Aachen

amodabber@ukaachen.de024180

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: May 1, 2026